Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cua lua slippers" » "cong cu lua slippers", "dong cua lua slippers", "huong cua lua slippers", "cong cua luat slippers", "cong ca lua slippers", "cong cua rua slippers", "cong cua lua slippery", "cong cua lua grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong cua lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cua lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cua lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cua lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.